tustvold commented on code in PR #9410:
URL: https://github.com/apache/arrow-datafusion/pull/9410#discussion_r1510031093
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datafusion/physical-plan/src/sorts/sort.rs:
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@@ -587,7 +590,13 @@ pub(crate) fn sort_batch(
.map(|expr| expr.evaluate_to_sort_column(batch))
.collect::<Result<Vec<_>>>()?;
- let indices = lexsort_to_indices(&sort_columns, fetch)?;
+ let indices = if is_multi_column_with_lists(&sort_columns) {
Review Comment:
FWIW I would anticipate the row format being faster for almost all multi
column sorts
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